...With thesefew preliminary remarks we may now take up in turn these different groups,beginning with the lowest, or the Polyps...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...In all Polyps the body consists of a sac divided byvertical partitions () into distinct cavities or chambers...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Here thepartitions are reduced to eight; the tentacles, according to the invariablerule, agree in number with the chambers, but have a far more highlycomplicated structure than in the lower Polyps...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...Among the nomadic Polyps is a small floating Actinia, called Arachnactis,(,) from its resemblance to a spider...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...The Millepore is a coral, and was therefore the more easilyconfounded with the Polyps, so large a proportion of which build coralstocks; but a more minute investigation of its structure (Figs...
Elizabeth Cabot Cary Agassiz 「Seaside Studies in Natural History」
...One of the polyps is carefully removed by the dipping-tube,a small glass tube, open at both ends...
Henry J. Slack 「Marvels of Pond-life」
...Although the polyps are remarkable for the simplicityof their organization, they do not the lessexhibit the wonderful nature of animal life...
Henry J. Slack 「Marvels of Pond-life」
...However this may be, the polyps, andsimilarly endowed creatures, have the power of dartingout their poison threads with considerable force, andMr...
Henry J. Slack 「Marvels of Pond-life」
...If we add to the labour of the Infusoria those of othercreatures whose organization can only be discoveredby the microscope, and take in the foraminifera, polyps,polyzoa, &c...
Henry J. Slack 「Marvels of Pond-life」
...In many of the lower animals (such as sponges, polyps, and medusæ) the nakedova retain their original simple appearance until impregnation...
Ernst Haeckel 「The Evolution of Man」
...From these simplest forms of sexual propagation, as we can observe them to-dayin the lowest Zoophytes, the Gastræads, Sponges, and Polyps, we gather mostimportant data...
Ernst Haeckel 「The Evolution of Man」
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